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Revenue Contract Balances (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Apr. 30, 2019
USD ($)
Apr. 30, 2019
USD ($)
Jul. 31, 2018
USD ($)
Apr. 30, 2018
USD ($)
Schedule of Goodwill [Abstract]        
Deferred revenue $ 297,874 $ 297,874 $ 282,103 $ 251,110
Deferred Revenue and Credits, Noncurrent 124,900 124,900 126,500  
Recognition of Deferred Revenue Outstanding as of July 31, 2018 116,900 $ 272,200    
Private Club Recognized Initiation Fees Average Remaining Period   17    
Trade receivables, net $ 273,108 $ 273,108 $ 230,829 $ 220,248